63073385 has 4 divisors (see below), whose sum is σ = 75688068. Its totient is φ = 50458704.

The previous prime is 63073343. The next prime is 63073399. The reversal of 63073385 is 58337036.

63073385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13778944 + 49294441 = 3712^2 + 7021^2 .

It is a cyclic number.

It is not a de Polignac number, because 63073385 - 2¹⁶ = 63007849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6307334 + ... + 6307343.

It is an arithmetic number, because the mean of its divisors is an integer number (18922017).

Almost surely, 2^63073385 is an apocalyptic number.

It is an amenable number.

63073385 is a deficient number, since it is larger than the sum of its proper divisors (12614683).

63073385 is a wasteful number, since it uses less digits than its factorization.

63073385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12614682.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 63073385 is about 7941.8754082395. The cubic root of 63073385 is about 398.0601598412.

The spelling of 63073385 in words is "sixty-three million, seventy-three thousand, three hundred eighty-five".